[1] Univ Vienna, Sch Med, Dept Cardiol, A-1090 Vienna, Austria
[2] Univ Vienna, Dept Vasc Med, A-1090 Vienna, Austria
[3] Univ Vienna, Inst Med Stat, A-1090 Vienna, Austria
[4] Univ Innsbruck, Dept Cardiol, A-6020 Innsbruck, Austria
[5] Ludwig Boltzmann Inst Cardiovasc Res, Vienna, Austria